:root{
    --ink:#1B2430;
    --brass:#B8925A;
    --brass-dark:#93733F;
    --linen:#F6F1E7;
    --paper:#FBF9F5;
    --stone:#79736A;
    --line:#E4DDCE;
    --white:#FFFFFF;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter', sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img,svg{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  h1,h2,h3,h4{
    font-family:'Fraunces', serif;
    font-weight:600;
    line-height:1.12;
    letter-spacing:-0.01em;
  }
  .mono{font-family:'IBM Plex Mono', monospace;}
  .wrap{max-width:1200px; margin:0 auto; padding:0 24px;}
  :focus-visible{outline:3px solid var(--brass); outline-offset:2px;}

  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:14px 28px;
    font-family:'Inter', sans-serif;
    font-weight:600;
    font-size:15px;
    border-radius:2px;
    cursor:pointer;
    border:1.5px solid transparent;
    transition:transform .15s ease, background .15s ease, border-color .15s ease;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-primary{background:var(--brass); color:var(--white);}
  .btn-primary:hover{background:var(--brass-dark);}
  .btn-outline{border-color:var(--ink); color:var(--ink);}
  .btn-outline:hover{background:var(--ink); color:var(--white);}
  .btn-outline-light{border-color:rgba(255,255,255,.4); color:var(--white);}
  .btn-outline-light:hover{background:var(--white); color:var(--ink);}

  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono', monospace;
    font-size:12px; letter-spacing:.14em; text-transform:uppercase;
    color:var(--brass-dark);
    margin-bottom:14px;
  }
  .eyebrow::before{content:""; width:22px; height:1.5px; background:var(--brass);}

  header{
    position:sticky; top:0; z-index:50;
    background:rgba(251,249,245,.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex; align-items:center; justify-content:space-between; padding:18px 24px;}
  .logo{font-family:'Fraunces', serif; font-weight:600; font-size:21px; letter-spacing:.01em; display:flex; align-items:center; gap:10px;}
  .logo .tick{width:9px; height:22px; background:var(--brass);}
  .nav-links{display:flex; gap:32px; font-size:14px; font-weight:500;}
  .nav-links a{position:relative; padding:4px 0;}
  .nav-links a::after{content:""; position:absolute; left:0; bottom:0; width:0; height:1.5px; background:var(--brass); transition:width .2s ease;}
  .nav-links a:hover::after{width:100%;}
  .nav-cta{display:flex; align-items:center; gap:18px;}
  .nav-phone{font-family:'IBM Plex Mono', monospace; font-size:14px; display:none;}
  .burger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
  .burger span{width:24px; height:2px; background:var(--ink);}

  .hero{
    background:var(--ink);
    color:var(--white);
    position:relative;
    overflow:hidden;
    border-bottom:4px solid var(--brass);
  }
  .hero::before{
    content:"";
    position:absolute; inset:0;
    background-image: radial-gradient(circle at 82% 18%, rgba(184,146,90,.18), transparent 45%);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;
    display:grid; grid-template-columns:1.1fr 1fr; gap:40px;
    align-items:center;
    padding:92px 24px 76px;
  }
  .hero h1{font-size:46px; margin-bottom:20px; color:var(--white); font-weight:600;}
  .hero h1 em{font-style:normal; color:var(--brass);}
  .hero p{font-size:17px; color:#C7C2B6; max-width:520px; margin-bottom:32px;}
  .hero-actions{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px;}
  .trust-row{display:flex; gap:28px; flex-wrap:wrap; font-family:'IBM Plex Mono', monospace; font-size:12px; color:#A79E90; letter-spacing:.04em;}
  .trust-row span{border:1px solid #37414D; padding:6px 12px; border-radius:2px;}

  .diagram{
    background:#232D3A;
    border:1px solid #384252;
    border-radius:4px;
    padding:28px;
  }
  .diagram-photo{background:var(--paper); border-color:var(--line);}
  .diagram-photo .diagram-label{color:var(--brass-dark);}
  .diagram-label{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--brass); letter-spacing:.1em; margin-bottom:14px; text-transform:uppercase;}
  .dim-text{font-family:'IBM Plex Mono', monospace; font-size:11px; fill:#A7ADB8;}
  .layer-line{stroke:#C7C2B6; stroke-width:1.3;}
  .layer-fill-1{fill:#2C3644;}
  .layer-fill-2{fill:#333E4E;}
  .layer-fill-3{fill:#3A4658;}
  .layer-accent{stroke:var(--brass); stroke-width:2; fill:none;}
  .leader{stroke:#5B6472; stroke-width:1;}

  .stats{background:var(--ink); color:var(--white); border-top:1px solid #2C3644;}
  .stats-inner{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; padding:32px 24px;}
  .stat-num{font-family:'Fraunces', serif; font-weight:600; font-size:32px; color:var(--brass);}
  .stat-label{font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:#B9B2A4; margin-top:4px;}

  section{padding:88px 0;}
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head h2{font-size:32px; margin-bottom:16px;}
  .section-head p{color:var(--stone); font-size:16px;}
  .section-alt{background:var(--linen);}

  .feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line); border:1px solid var(--line);}
  .feature-card{background:var(--paper); padding:32px; transition:background .15s ease;}
  .feature-card:hover{background:var(--white);}
  .feature-icon{width:44px; height:44px; margin-bottom:20px;}
  .feature-card h3{font-size:18px; margin-bottom:10px; font-weight:600;}
  .feature-card p{font-size:14.5px; color:var(--stone);}

  .product-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
  .product-card{background:var(--white); border:1px solid var(--line); border-radius:3px; overflow:hidden; display:flex; flex-direction:column;}
  .product-photo{
    aspect-ratio:4/3; background:
      linear-gradient(135deg, var(--linen) 25%, transparent 25%) -12px 0/24px 24px,
      linear-gradient(225deg, var(--linen) 25%, transparent 25%) -12px 0/24px 24px,
      var(--paper);
    display:flex; align-items:center; justify-content:center; flex-direction:column; gap:10px;
    border-bottom:1px solid var(--line);
  }
  .product-photo .ph-icon{width:52px; height:52px; opacity:.35;}
  .product-photo span{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--stone); text-align:center; padding:0 20px;}
  .product-body{padding:26px; display:flex; flex-direction:column; gap:14px; flex:1;}
  .product-body h3{font-size:19px; font-weight:600;}
  .product-tag{display:inline-block; align-self:flex-start; font-family:'IBM Plex Mono', monospace; font-size:11px; background:var(--ink); color:var(--white); padding:4px 10px; letter-spacing:.05em;}
  .product-specs{list-style:none; font-size:13.5px; color:var(--stone); display:flex; flex-direction:column; gap:6px; border-top:1px solid var(--line); padding-top:14px;}
  .product-specs li{display:flex; justify-content:space-between; font-family:'IBM Plex Mono', monospace;}
  .product-specs li b{color:var(--ink); font-weight:500;}
  .product-body .btn{margin-top:auto; justify-content:center;}

  .spec-table{width:100%; border-collapse:collapse; font-size:15px;}
  .spec-table th, .spec-table td{text-align:left; padding:16px 20px; border-bottom:1px solid var(--line);}
  .spec-table th{font-family:'IBM Plex Mono', monospace; font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--stone); font-weight:500;}
  .spec-table td:first-child{font-weight:600; width:38%;}
  .spec-table tr:last-child td{border-bottom:none;}

  .usecase-row{display:flex; flex-wrap:wrap; gap:12px;}
  .usecase-chip{
    font-family:'IBM Plex Mono', monospace; font-size:13px;
    border:1px solid var(--ink); padding:10px 18px; border-radius:2px;
  }

  .process-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:0;}
  .process-step{position:relative; padding:0 24px 0 0;}
  .process-step:not(:last-child)::after{
    content:""; position:absolute; top:26px; right:-2px; width:calc(100% - 40px); height:1px; background:var(--line);
  }
  .process-num{font-family:'Fraunces', serif; font-weight:600; font-size:16px; color:var(--white); background:var(--ink); width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center; margin-bottom:20px;}
  .process-step h3{font-size:16px; margin-bottom:8px; font-weight:600;}
  .process-step p{font-size:14px; color:var(--stone);}

  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    cursor:pointer; padding:22px 4px; font-family:'Fraunces', serif; font-weight:600; font-size:17px;
    display:flex; justify-content:space-between; align-items:center; list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:"+"; font-size:22px; color:var(--brass); flex-shrink:0; margin-left:20px; font-family:'Inter', sans-serif;}
  .faq-item[open] summary::after{content:"–";}
  .faq-item p{padding:0 4px 22px; color:var(--stone); font-size:15px; max-width:720px;}

  .contact{background:var(--ink); color:var(--white);}
  .contact-inner{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
  .contact-info h2{color:var(--white); font-size:30px; margin-bottom:18px;}
  .contact-info p{color:#B9B2A4; margin-bottom:28px; max-width:420px;}
  .contact-detail{display:flex; gap:14px; margin-bottom:18px; font-size:14.5px;}
  .contact-detail b{display:block; font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--brass); margin-bottom:2px;}
  .form-card{background:var(--white); color:var(--ink); padding:32px; border-radius:3px;}
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:14px;}
  .form-card label{font-size:12px; font-family:'IBM Plex Mono', monospace; text-transform:uppercase; letter-spacing:.05em; color:var(--stone); display:block; margin-bottom:6px;}
  .form-card input, .form-card select, .form-card textarea{
    width:100%; border:1px solid var(--line); padding:11px 12px; font-family:'Inter', sans-serif; font-size:14px; border-radius:2px; background:var(--paper);
  }
  .form-card input:focus, .form-card select:focus, .form-card textarea:focus{outline:2px solid var(--brass); outline-offset:1px;}
  .form-full{margin-bottom:14px;}
  .form-card button{width:100%; justify-content:center; margin-top:6px;}

  footer{background:#12161C; color:#8B857A; padding:48px 0 24px;}
  .footer-inner{display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:40px;}
  .footer-inner h4{color:var(--white); font-size:14px; margin-bottom:16px; letter-spacing:.05em; font-family:'Inter', sans-serif; font-weight:600;}
  .footer-inner ul li{margin-bottom:10px; font-size:14px;}
  .footer-inner ul li a:hover{color:var(--brass);}
  .footer-logo{font-family:'Fraunces', serif; font-weight:600; color:var(--white); font-size:19px; margin-bottom:14px;}
  .footer-bottom{border-top:1px solid #23282C; padding-top:20px; font-size:12.5px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

  @media (max-width: 860px){
    .hero-inner{grid-template-columns:1fr; padding:56px 20px;}
    .hero h1{font-size:32px;}
    .nav-links{display:none;}
    .burger{display:flex;}
    .stats-inner{grid-template-columns:repeat(2,1fr);}
    .feature-grid{grid-template-columns:1fr;}
    .product-grid{grid-template-columns:1fr;}
    .process-grid{grid-template-columns:1fr; gap:32px;}
    .process-step:not(:last-child)::after{display:none;}
    .contact-inner{grid-template-columns:1fr;}
    .footer-inner{grid-template-columns:1fr; gap:28px;}
    .form-row{grid-template-columns:1fr;}
    section{padding:56px 0;}
  }

/* ---- Blog ---- */
.blog-hero{background:var(--ink); color:var(--white); padding:64px 0 48px; border-bottom:4px solid var(--brass);}
.blog-hero h1{color:var(--white); font-size:38px; margin-bottom:12px;}
.blog-hero p{color:#C7C2B6; font-size:16px; max-width:560px;}
.breadcrumb{font-family:'IBM Plex Mono', monospace; font-size:12px; color:#A79E90; margin-bottom:18px;}
.breadcrumb a{color:var(--brass);}
.blog-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:28px;}
.blog-card{background:var(--white); border:1px solid var(--line); border-radius:3px; overflow:hidden; display:flex; flex-direction:column;}
.blog-card-body{padding:26px; display:flex; flex-direction:column; gap:12px; flex:1;}
.blog-card-tag{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--brass-dark); text-transform:uppercase; letter-spacing:.06em;}
.blog-card h2{font-size:21px; line-height:1.2;}
.blog-card h2 a{transition:color .15s ease;}
.blog-card h2 a:hover{color:var(--brass-dark);}
.blog-card p{font-size:14.5px; color:var(--stone);}
.blog-card .read-more{font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--ink); display:inline-flex; align-items:center; gap:6px; margin-top:auto;}
.blog-card .read-more:hover{color:var(--brass-dark);}

.article{padding:64px 0 40px;}
.article-header{max-width:720px; margin:0 auto 40px;}
.article-header h1{font-size:36px; margin-bottom:16px;}
.article-meta{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--stone); text-transform:uppercase; letter-spacing:.05em;}
.article-body{max-width:720px; margin:0 auto; font-size:16.5px; color:#2A2F27;}
.article-body p{margin-bottom:20px;}
.article-body h2{font-size:24px; margin:40px 0 16px;}
.article-body h3{font-size:19px; margin:28px 0 12px; font-family:'Inter',sans-serif; font-weight:700; text-transform:none;}
.article-body ul, .article-body ol{margin:0 0 20px 22px; color:#2A2F27;}
.article-body li{margin-bottom:8px;}
.article-cta{max-width:720px; margin:48px auto 0; background:var(--linen); border:1px solid var(--line); border-radius:3px; padding:28px; text-align:center;}
.article-cta h3{font-size:19px; margin-bottom:10px; font-family:'Fraunces',serif; font-weight:600;}
.article-cta p{color:var(--stone); font-size:14.5px; margin-bottom:18px;}

@media (max-width: 860px){
  .blog-grid{grid-template-columns:1fr;}
  .blog-hero h1{font-size:28px;}
  .article-header h1{font-size:26px;}
}